The 4.0mm Coast Cable Roll Black provides durable and reliable wiring for moderate-to-high power circuits. It features a copper conductor with strong PVC insulation that resists heat, moisture, and abrasion. The black color helps identify neutral or phase lines easily. The cable unrolls smoothly and fits neatly in conduits or trunking. It supports appliances like water heaters, cookers, power sockets, and industrial equipment. This cable ensures stable current, long-lasting performance, and safe electricity distribution for residential, commercial, and light industrial wiring systems.